Question

In: Advanced Math

In a team of 50 people, 20 pilots are under 40 years old. 15 pilots are...

In a team of 50 people, 20 pilots are under 40 years old. 15 pilots are over 40 years old. Five of the non-pilots are under the age of 40, the rest are over the age of 40. Find the probability of being a pilot or over 40 when a random person is selected.

Solutions

Expert Solution


Related Solutions

Fewer young people are driving. In year A, 65.9% of people under 20 years old who...
Fewer young people are driving. In year A, 65.9% of people under 20 years old who were eligible had a driver's license. Twenty years later in year B that percentage had dropped to 43.7%. Suppose these results are based on a random sample of 1,900 people under 20 years old who were eligible to have a driver's license in year A and again in year B. a.At 95% confidence, what is the margin of error of the number of eligible...
Fewer young people are driving. In year A, 67.9% of people under 20 years old who...
Fewer young people are driving. In year A, 67.9% of people under 20 years old who were eligible had a driver's license. Twenty years later in year B that percentage had dropped to 44.7%. Suppose these results are based on a random sample of 1,700 people under 20 years old who were eligible to have a driver's license in year A and again in year B. (a) At 95% confidence, what is the margin of error of the number of...
Fewer young people are driving. In year A, 62.9% of people under 20 years old who...
Fewer young people are driving. In year A, 62.9% of people under 20 years old who were eligible had a driver's license. Twenty years later in year B that percentage had dropped to 46.7%. Suppose these results are based on a random sample of 1,300 people under 20 years old who were eligible to have a driver's license in year A and again in year B. (a) At 95% confidence, what is the margin of error of the number of...
Korra is 40 years old and Sokka is 20 years old. Both work in the same...
Korra is 40 years old and Sokka is 20 years old. Both work in the same position in the same company and have been laid off permanently. If they enroll together in the same college, to study the same. Given the human capital model, do they have the same net value present?
Ryan is 50 years old and will retire in 15 years. He expects to live for...
Ryan is 50 years old and will retire in 15 years. He expects to live for 25 years after he retires, until he is 90. He wants a fixed retirement income that has the same purchasing power at the time he retires as $40,000 has today. (The real value of his retirement income will decline annually after he retires.) His retirement income will begin the day he retires, 15 years from today, at which time he will receive 24 additional...
Ryan is 50 years old and will retire in 15 years. He expects to live for...
Ryan is 50 years old and will retire in 15 years. He expects to live for 25 years after he retires, until he is 90. He wants a fixed retirement income that has the same purchasing power at the time he retires as $40,000 has today. (The real value of his retirement income will decline annually after he retires.) His retirement income will begin the day he retires, 15 years from today, at which time he will receive 24 additional...
investment poor average good A 50 75 20 B 80 15 40 C -100 300 50...
investment poor average good A 50 75 20 B 80 15 40 C -100 300 50 Maximax, Maximin, Minimax Regreat, Hurxicz 0.4, Equal liklihood
John Wayne is 50 years old and plans to retire in 20 years. His new employer...
John Wayne is 50 years old and plans to retire in 20 years. His new employer provides 401K retirement plan and he plans to accumulate $1,000,000 in his retirement account by age of 70. Use Excel to answer the following questions. How much he has to contribute per year at return of 7% per year to reach his retirement goal. Redo part (a) if john decides to increase his contribution 0.50% per year over 20 years. c.Redo part (a) if...
Given the data {20, 20, 30, 30, 40, 40, 50, 50, 60, 60}, calculate 1. Gini...
Given the data {20, 20, 30, 30, 40, 40, 50, 50, 60, 60}, calculate 1. Gini coefficient using the quintile distribution. 2. Draw the Lorenz curve with proper labels.
Question 1 For the dataset: 20, 20, 10, 10, 40, 50, 20, 30, 10, 20, 50,...
Question 1 For the dataset: 20, 20, 10, 10, 40, 50, 20, 30, 10, 20, 50, 60, 20, 30, 50, 20, 30, 40, 30, 30, 30, 50, 40 calculate the max, min, mode, median and mean.(20%) Draw a boxplot with inner and outer fence For the data in part (i), if the value 60 was replaced by 2000, what would you call this value in the dataset? What could be the explanation for such a value? How can you through...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT